FLASHBACK: Gettin Keto: Why we must dump grains, eat more fat! - Dr. Perlmutter

© Perlmutter

Sugars and carbs, yes even the "healthy" kind, have been linked to everything from chronic headaches, insomnia, depression and even ADHD. Award winning author and American College of Nutrition Humanitarian of the year award Dr. David Perlmutter discusses his book "The Grain Brain".

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